<http://schema.org/url>
<http://www.aol.com/article/2014/08/08/unit-labor-costs-and-productivity-very-mixed-with-crazy-revisions/20944007/>
<http://www.aol.com/article/2014/08/08/unit-labor-costs-and-productivity-very-mixed-with-crazy-revisions/20944007/>